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  Label sticking device and label sticking methodUSPTO Application #: 20060027304Title: Label sticking device and label sticking method Abstract: A label sticking device is provided with a suction head 50 which holds a label L peeled off from a release liner S in the process of paying out a raw sheet M, a camera 15 which inspects a position of the sucked label, a label-positioning device 16 which adjusts a positional deviation of the label when the deviation is detected, a printing device 17 which prints on an adhesive layer of the label, a shifter 18 which shifts the label printed toward an object to be stuck with the label, and a controller 20 which controls these devices. (end of abstract) Agent: Westerman, Hattori, Daniels & Adrian, LLP - Washington, DC, US Inventor: Toshihiro Fujita USPTO Applicaton #: 20060027304 - Class: 156064000 (USPTO) Related Patent Categories: Adhesive Bonding And Miscellaneous Chemical Manufacture, Methods, Surface Bonding And/or Assembly Therefor, With Measuring, Testing, Or Inspecting The Patent Description & Claims data below is from USPTO Patent Application 20060027304. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a label sticking device and a label sticking method, and in particular, to a label sticking device and a label sticking method, in which, after labels are peeled off from a release liner one by one, printing is performed on a surface of an adhesive layer of the label, and the label with the printing can be stuck on an object to be stuck. [0003] 2. Description of the Related Art [0004] There has been known a device in which, in the process of paying out a raw sheet where labels are temporarily stuck on one side of a strip-shaped release liner, the labels are peeled off and printing is performed on the surface of an adhesive layer thereof, and then, the labels are stuck on the object (refer to Patent document 1: Japanese Patent Application Laid-open No. 8-63100). This type of device has an advantage that the printed surface is interposed between the label and the object, which can prevent the printed surface from disappearing or fading due to rubbing, and thereby clearness of printed contents can be continuously secured. [0005] In the label sticking device disclosed in the Patent Document 1, however, an accurate position of the label to be held is not considered well on the occasion of holding the label peeled from the release liner. For this reason, this type of device has such a disadvantage that, when a sticking position of the label to the object is required to be accurate, the device can not meet the requirement, thus the label is stuck at a position deviated from a required label sticking position. [0006] In more detail, for example, in case of sticking a label on a plate forming a display face of a cell phone, one plate member bigger than a flat face of one label is used as the object, and the labels are sequentially stuck on the plate member in a manner of line arrangement, and thereafter, the labels are cut out in a size corresponding to the display face. In this case, since the label has to be stuck to the plate member at an appropriate position, it is required to control accurately the position to hold the label peeled off. [0007] However, there may be a case where the label peeled off from the release liner deviates slightly from an appropriate position, such as a position of too much ahead, too behind or oblique in a plane. Such a deviation remains on the sticking face of the object as it is, consequently, in an embodiment where the labels are stuck on one plate member, the deviation causes a disadvantage that the plate member after being cut out is regarded as a defective piece. SUMMARY OF THE INVENTION [0008] The present invention has been proposed from a viewpoint of the foregoing disadvantages and an object of the present invention is to provide a label sticking device and a label sticking method in which, when holding labels peeled off from a release liner, even if a position of the label deviates, the position of the label is adjusted so that a correct label-holding position is obtained, thereby sticking position of the label to the object can be strictly controlled. [0009] In order to achieve the object, a label sticking device according to the present invention in which a raw sheet, that includes a label being temporarily stuck on a face of a strip-shaped release liner, is paid out to peel off the label from the release liner, and also printing is performed on an adhesive layer of the label to stick the same on a predetermined object, comprising: [0010] a holding device to hold the label peeled off from the release liner in the process of paying out the raw sheet; an inspection device to inspect a position of the label held on the holding device; a label-positioning device to adjust the holding position of the label to an appropriate position when a position of the label deviates out of a predetermined position of the holding device; a printing device to print on an adhesive layer of the label; a shifting device to shift the printed label toward the object; and a controller to perform predetermined controls for each of the devices. [0011] The label-positioning device according to the present invention includes: a function to adjust inclination of the label by rotating the label within a plane; a function to adjust both end positions in the width direction perpendicular to the direction of paying out the label; and a function to adjust positions of front and rear ends along the paying-out direction. [0012] And an inspection device may be preferably provided with a collector of defective labels and when the inspection device detects a defect of the label held in the holding device, the defective label is collected without printing on the label. [0013] Further, the printing device may be provided with a function to print serial or variable information corresponding to an order of the labels to be stuck, and printing information is printed based upon the serial information at each time of printing when the label held in the holding device reaches a predetermined printing position. [0014] Still further, such an arrangement may be adopted that the object is a plate-like body which is larger than a label plane size, and the labels are sequentially stuck in line arrangement on a face of the plate-like body. [0015] Still further, the object is arranged to be supported by a predetermined conveyance device, wherein the conveyance device includes a position-holding device to keep the object in a predetermined position. [0016] A label sticking method according to the present invention, in which a raw sheet, that includes labels being temporarily stuck on a face of a strip-shaped release liner, is paid out to peel off the label from the release liner, and also printing is performed on an adhesive layer of the label to stick the same on a predetermined object, adopts such an arrangement, comprising the steps of: inspecting whether or not the label is held at predetermined position when holding the label peeled off from the release liner; printing on an adhesive layer of the label on a condition that the label is at a predetermined position and sticking the label so that the printing face is interposed between the label and the object; adjusting a position of the label to be held at an appropriate position when positional deviation of the label is detected, thereafter, printing on the adhesive layer of the label and sticking the label so that the printing face is interposed between the label and the object. [0017] And the printing in the label manufacturing method is to be serial information or variable information corresponding to an order of the labels to be stuck. [0018] According to the present invention, since the label held in the holding device can be kept at an appropriate position, the present invention can be adapted to a case where a sticking position of the label to the object has to be accurately controlled. Accordingly, the present invention can provide a label sticking device furnished with adaptability to a case where, when the object is to be one plate-like body and the information printed on each label is serial and variable information like a serial number, the labels are stuck in line arrangement on the plate-like body without losing information continuity. BRIEF DESCRIPTION OF THE DRAWINGS [0019] FIG. 1 is a schematic front view of a label sticking device in the embodiment. [0020] FIG. 2 is a schematic plan view omitting a part of the label sticking device. [0021] FIG. 3 is an enlarged front view of the main part of the label sticking device. [0022] FIG. 4 is a schematic perspective view showing a peel plate area. Continue reading... Full patent description for Label sticking device and label sticking method Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Label sticking device and label sticking method patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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